Introduction
This manual provides comprehensive instructions for the safe and effective use of your Xiaomi Mijia S300 3D Floating Smart Electric Shaver. Please read this manual thoroughly before first use and retain it for future reference.
Safety Information
It is crucial to adhere to the following safety guidelines to prevent injury or damage to the device:
- Avoid using near water. This device is IPX7 waterproof, meaning it can withstand immersion in water up to 1 meter for 30 minutes, but it should not be used while submerged or in a bathtub/shower where it could fall into water.
- Do not use while charging. Disconnect the shaver from the power source before use.
- Keep away from children. This product is not a toy and should be stored out of reach of children.
- Always hold the shaver with the head facing your skin to avoid cuts or skin irritation.
- Clean and dry after each use to prevent bacterial growth and maintain hygiene.
Package Contents
Upon opening the package, please verify that all items are present:
- Xiaomi Mijia S300 Electric Shaver
- Charging Cable (Type-C)
- Cleaning Brush
- User Manual (this document)
Product Features
- 3D Floating Shaving Heads: Adapts to facial contours for a smooth shave.
- IPX7 Waterproof: Allows for wet and dry shaving, and easy cleaning under running water.
- Type-C Charging: Convenient and fast charging.
- Dual-Layer Blades: Designed for efficient and close shaving.
- Long Battery Life: Up to 60 minutes of shaving time on a full charge.

Image: Front view of the Xiaomi Mijia S300 Electric Shaver, showcasing its sleek black design and three rotary shaving heads.
Setup
- Initial Charge: Before first use, fully charge the shaver. Connect the Type-C charging cable to the shaver's charging port and the other end to a compatible USB power adapter (not included). The charging indicator will show progress. A full charge typically takes approximately 1.5 hours.
- Inspect Blades: Ensure the shaving heads are clean and free from debris.

Image: Close-up view of the Type-C charging port on the bottom of the Xiaomi Mijia S300 Electric Shaver, with a charging cable being inserted.
Operating Instructions
Dry Shaving
- Ensure your face is clean and dry.
- Press the power button to turn on the shaver.
- Gently move the shaver in small, circular motions against the direction of hair growth.
- Do not press too hard; let the shaver's floating heads adapt to your facial contours.
- After shaving, press the power button to turn off the shaver.
Wet Shaving
- Apply shaving foam or gel to your face.
- Press the power button to turn on the shaver.
- Shave in small, circular motions, rinsing the shaver head under running water periodically to remove lather and hair residue.
- After shaving, rinse your face thoroughly and turn off the shaver.
Maintenance
Daily Cleaning
- After each use, turn off the shaver.
- Open the shaving head assembly (refer to product diagram if available).
- Rinse the shaving heads and the hair chamber under running water.
- Shake off excess water and allow the shaver to air dry completely before reassembling and storing.
- For a more thorough clean, use the provided cleaning brush to remove stubborn hair particles.
Blade Replacement
For optimal shaving performance, it is recommended to replace the shaving heads every 12 months, or sooner if you notice a decrease in shaving efficiency or increased skin irritation. Replacement heads can be purchased from authorized Xiaomi retailers.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Shaver does not turn on. | Battery is low or depleted. | Charge the shaver fully. |
| Poor shaving performance. | Blades are dull or clogged with hair. | Clean the shaving heads thoroughly. Consider replacing the shaving heads if they are old. |
| Skin irritation after shaving. | Incorrect shaving technique or dull blades. | Ensure you are shaving in small, circular motions without applying excessive pressure. Replace blades if necessary. |
Specifications
- Model: S300
- Brand: Xiaomi
- Waterproof Rating: IPX7
- Charging Type: Type-C
- Battery Life: Approximately 60 minutes
- Power Source: Battery Powered
- Blade Material: Stainless Steel
- Head Type: Rotary
Warranty and Support
The Xiaomi Mijia S300 Electric Shaver comes with a standard manufacturer's warranty. For detailed warranty terms and conditions, please refer to the warranty card included in your product packaging or visit the official Xiaomi website. For technical support, troubleshooting assistance, or to inquire about replacement parts, please contact Xiaomi customer service through their official channels.
You can find more information and support on the official Xiaomi Store on Amazon.





